The6thand7thSquadsjoinforcestorescueYuuki,whowaskidnappedbyhislong-lostsister,Aoba.Uponlearningofthecircumstancesofherandherallies,YuukitriestoconvincethemtoletgooftheirhostilitytowardtheDemonDefenseForce...buttheconflictingidealsofthetwogroupsinevitablyleadtoafiercebattle.Withgirlsoneverysidefightingoverhim,canYuukifindawaytomediateacease-firebeforeit’stoolate?!
